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XSPower D3400...brand new, why does my voltage suck?


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I bought a brand new XS D3400 from droppinhz. It measured 12.71V when I got it. Put it in the car. Still 12.71V. The first few days seemed awesome, voltage was always in the 14s when driving. I thought to mysekf, awesome, this is what it's like to have good voltage

However, a week later, and my voltage now measured 12.4V today while driving.

WHY????? I thought the AGM would hold charge longer, recharge faster, and provide me the amps necessary for audio.

I don't have any audio connected yet, and it's disappointing. I'm charging the battery right now and the voltage is coming up.

Am I doing something wrong?

Edited by bigmizzle99
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Ah the pcm knows what's best. Lol

91 C350 Centurion conversion ( Four Door One Ton Bronco)

250A Alternator (Second Alternator Coming Soon)

G65 AGM Up Front  / Two G31 AGM in Back

Pioneer 80PRS

CT Sounds AT125.2 / CT Sounds 6.5 Strato Pro component Front Stage

CT Sounds AT125.2 / Lanzar Pro 8" coax w/compression horn tweeter Rear Fill

FSD 5000D 1/2 ohm (SoundQubed 7k Coming Soon)

Two HDS315 Four Qubes Each 34hz (Two HDC3.118 and New Box Coming Soon)

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pcm does that to save gas mileage or some shit from the factory

2007 Chevy Tahoe (SOLD)

12 ~ FI Audio X series 10" w/BP option

2 ~ DC Audio 5.0K @0.67

3 ~ DC Audio 5.0K @1.0 

2 ~ PPI 3 way sets (not installed yet)

1 ~ RF T400-4, 1 ~ RF T600-2, 1 ~ RF T600-4

4 ~ CT Sounds 5.25" Strato comps  (rear fill only)

1 ~ XS Power D4800

1 ~ XS Power D3400

8 ~ XS Power XP3000

160 stock alt, Mechman 370 Elite, 185 DC Power

320+ Sq. Ft. Sound Deadener

Pioneer AVH-X5500BHS

Youtube: https://www.youtube.com/user/knfjdkghjudfhsgkjdhf/videos?sort=dd&view=0&shelf_id=0

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  • 4 weeks later...

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